2012-05-16から1日間の記事一覧
UsbErr UsbDevice::hub_init() { UsbErr rc; uint8_t buf[9]; rc = controlReceive( USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_DEVICE, // 0xa0 GET_DESCRIPTOR, (USB_DESCRIPTOR_TYPE_HUB << 8), 0, buf, sizeof(buf)); DBG_ASSERT(rc …